Portable door lock



FIG. 1 is a perspective view of a portable door lock showing my newdesign;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is an elevational view of the design shown in FIG. 2, rotated ona horizontal axis 180° therefrom;

FIG. 4 is an end view;

FIG. 5 is the other end view;

FIG. 6 is a top plan view of the design shown in FIG. 1;

FIG. 7 is a cross-sectional view taken substantially in the planeindicated by line 7--7 of FIG. 2;

FIG. 8 is an enlarged view of the circled portion of FIG. 7; and

FIG. 9 is a view similar to FIG. 2, but showing the parts in a differentposition.

The ornamental design for a portable door lock, substantially as shownand described.